- Enrollment
- 1,453
- Students per teacher
- 16.5:1
- Resource Index
- 26/100
Other / mixed grade configuration · Waterbury, CT
Gilmartin School
Federal NCES profile for Gilmartin School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataOther / mixed grade configurationNCES 090483000976
👥 S:T ratio 44
🌟 Gifted program 30
🎓 Counselors 8
📋 Attendance 7
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Gilmartin School earns 22/100 on the Resource Investment Index, with class sizes larger than 85% of Connecticut schools.
- #18 of 21
- schools in Waterbury · Resource Index
- 22
- Resource Index · Lower
- 14:1
- large classes for Connecticut
- 75.8%
- free-lunch eligible
Gilmartin School has class sizes larger than 85% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Gilmartin School ranks #18 of 21 schools in Waterbury, CT.
School address
District: Waterbury School District · Connecticut
NCES ID 090483000976 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+2 students YoY
Gilmartin School held near 482 students from 2022-23 to 2023-24 (+2 headcount).
Teacher FTE lost 33.0 → 32.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+2 students YoY 090483000976 · Waterbury, CT Other · SMALL · TRAD
462 enr · 14:1 · 75.8% lunch · RII 22
Nearest enrollment peer: Crosby High School (1,453 students)
Gilmartin School held near 482 students from 2022-23 to 2023-24 (+2 headcount). Teacher FTE lost 33.0 → 32.6 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Gilmartin School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Crosby High Sc
Crosby High School
1,453 students
- John F. Kenned
John F. Kennedy High School
1,391 students
- Wilby High Sch
Wilby High School
1,196 students
- Michael F. Wal
Michael F. Wallace Middle School
1,059 students
- West Side Midd
West Side Middle School
848 students
- This school 462
Gilmartin School
462 students
What this shows Gilmartin School reports 462 students on the CCD universe file.
How Gilmartin School compares
Gilmartin School held steady on CCD headcount: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▲ 16% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 75.8% | ▲ 108% | 36.4% | 51.7% |
| Enrollment | 462 | top 39% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14:1
Leaner classes than 57% of US schools, a middle-of-the-pack class size.
462
Bigger than 57% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
75.8%
free-lunch eligible
- 108% above the Connecticut average of 36.4%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
14:1
students per teacher
- 16% above state mean
Top 85% in Connecticut - lower ratio than 15% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
37.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$20,129
per pupil, district-wide
- below Connecticut avg of $24,680
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 462 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 26 out-of-school
Suspension rate: 1.5 per 100 students. Combined in-school and out-of-school rate: 7.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 68.4%
African American 17.3%
White 5.6%
Asian 3.9%
Two or More 3.7%
American Indian / Alaska Native 1.1%
Largest group: Hispanic or Latino at 68.4% of enrollment.
Student-body diversity index 49.6/100
Simpson diversity index - at 49.6, Gilmartin School is about as mixed as the Connecticut school average of 50.5.
Programs
District finance for Waterbury School District reports $20,129 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Gilmartin School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Crosby High School | Larger | Similar economic need | Higher S:T ratio |
| John F. Kennedy High School | Larger | Similar economic need | Higher S:T ratio |
| Wilby High School | Larger | Similar economic need | Similar S:T ratio |
| Michael F. Wallace Middle School | Larger | Similar economic need | Lower S:T ratio |
| West Side Middle School | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Gilmartin School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,391
- Students per teacher
- 15.5:1
- Resource Index
- 35/100
- Enrollment
- 1,196
- Students per teacher
- 15.1:1
- Resource Index
- 30/100
- Enrollment
- 1,059
- Students per teacher
- 11.5:1
- Resource Index
- 38/100
- Enrollment
- 848
- Students per teacher
- 10.2:1
- Resource Index
- 37/100
Similar other schools in Waterbury
6 comparable other schools (grades Mixed) serving the same city.
Waterbury Arts Magnet School
Standard public school
820 students 16.7:1 students per teacher
Rotella Interdistrict Magnet School
Standard public school
614 students 17.1:1 students per teacher
Wendell L. Cross School
Standard public school
606 students 16.4:1 students per teacher
Maloney Interdistrict Magnet School
Standard public school
590 students 14:1 students per teacher
B. W. Tinker School
Standard public school
578 students 18.6:1 students per teacher
H. S. Chase School
Standard public school
543 students 10.6:1 students per teacher
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~462 students)
Frequently asked questions about Gilmartin School
How many students attend Gilmartin School?
Gilmartin School has 462 students enrolled. It is a public school in Waterbury, CT. CCD year-over-year: 480 (2022-23) → 482 (2023-24), nearly flat (+2).
What is the student-teacher ratio at Gilmartin School?
The student-teacher ratio at Gilmartin School is 14:1, which is 16% higher than the Connecticut average of 12.1:1 and 11% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Gilmartin School?
75.8% of students at Gilmartin School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Gilmartin School?
The largest demographic group at Gilmartin School is Hispanic or Latino at 68.4% of enrollment, in Waterbury, CT.
What is the Resource Investment Index for Gilmartin School?
Gilmartin School has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Gilmartin School rank among schools in Waterbury?
By Resource Investment Index, Gilmartin School ranks #18 of 21 schools in Waterbury, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Waterbury on the city page.
What other schools are in Waterbury School District?
Besides Gilmartin School, Waterbury School District also operates Crosby High School (1,453 students), John F. Kennedy High School (1,391 students), and Wilby High School (1,196 students). See the Waterbury School District district page for the complete list.